KT TECHNOLOGY PTE LTD.
386SX NON-CACHE MAINBOARD
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 16/20/25/33MHz  | 
| 
 Chip Set  | 
 Acer  | 
| 
 Max. Onboard DRAM  | 
 16MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 220mm x 170mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 80387SX  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 J4  | 
 Turbo LED & switch  | 
 J8  | 
| 
 Reset switch  | 
 J6  | 
 Power LED & keylock  | 
 J9  | 
| 
 Speaker  | 
 J7  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 ADS delay select enabled  | 
 J5  | 
 pins 1 & 2 closed  | 
| 
 ADS delay select disabled  | 
 J5  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 NPU synchronous with CPU  | 
 JP2  | 
 pins 1 & 2 closed  | 
| 
 NPU asynchronous with CPU  | 
 JP2  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 CMOS type select 1287  | 
 JP3  | 
 Closed  | 
| 
 CMOS type select 146818  | 
 JP3  | 
 Open  | |
| 
 »  | 
 Monitor type select color  | 
 JP4  | 
 pins 2 & 3 closed  | 
| 
 Monitor type select monochrome  | 
 JP4  | 
 pins 1 & 2 closed  | |
| 
 »  | 
 Parity check enabled  | 
 JP6  | 
 Closed  | 
| 
 Parity check disabled  | 
 JP6  | 
 Open  | |
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 512KB  | 
 (1) 256K x 9  | 
 (1) 256K x 9  | 
 NONE  | 
 NONE  | 
| 
 1MB  | 
 (1) 256K x 9  | 
 (1) 256K x 9  | 
 (1) 256K x 9  | 
 (1) 256K x 9  | 
| 
 2MB  | 
 (1) 1M x 9  | 
 (1) 1M x 9  | 
 NONE  | 
 NONE  | 
| 
 4MB  | 
 (1) 1M x 9  | 
 (1) 1M x 9  | 
 (1) 1M x 9  | 
 (1) 1M x 9  | 
| 
 8MB  | 
 (1) 4M x 9  | 
 (1) 4M x 9  | 
 NONE  | 
 NONE  | 
| 
 16MB  | 
 (1) 4M x 9  | 
 (1) 4M x 9  | 
 (1) 4M x 9  | 
 (1) 4M x 9  | 
| 
 CPU SPEED CONFIGURATION  | ||
| 
 Speed  | 
 JP1  | 
 JP5  | 
| 
 16Mhz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 20Mhz  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 25MHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 33MHz  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  |